/**
 * Created by Administrator on 2017/3/1.
 */
(function (original) {
    jQuery.fn.clone = function () {
        var result           = original.apply(this, arguments),
            my_textareas     = this.find('textarea').add(this.filter('textarea')),
            result_textareas = result.find('textarea').add(result.filter('textarea')),
            my_selects       = this.find('select').add(this.filter('select')),
            result_selects   = result.find('select').add(result.filter('select'));

        for (var i = 0, l = my_textareas.length; i < l; ++i) $(result_textareas[i]).val($(my_textareas[i]).val());
        for (var i = 0, l = my_selects.length;   i < l; ++i) {
            for (var j = 0, m = my_selects[i].options.length; j < m; ++j) {
                if (my_selects[i].options[j].selected === true) {
                    result_selects[i].options[j].selected = true;
                }
            }
        }
        return result;
    };
}) (jQuery.fn.clone);